Patents 139,973show all

  • 8,287
    H01L - Semiconductor devices
  • 5,833
    H01M - Processes or means, e.g. batteries, for the direct conversion of chemical into electrical energy
  • 5,034
    Y02E - Reduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution
  • 4,342
    H04N - Pictorial communication, e.g. television
  • 2,842
    G11B - Information storage based on relative movement between record carrier and transducer
  • 1,933
    F25B - Refrigeration machines, plants or systems
  • 1,476
    Y02B - Climate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications
  • 1,329
    Y02T - Climate change mitigation technologies related to transportation
  • 1,229
    H05K - Printed circuits
  • 1,228
    G09G - Arrangements or circuits for control of indicating devices using static means to present variable information

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